Why TikTokers are finding rusty razor blades behind bathroom mirrors

Slot in Medicine Cabinet medicine cabinet razor slot As some have stated it was a used single or double edge safety razor blade disposal where the blades dropped between the walls to be forever medicine cabinet with razor blade slot One example is the slit found in the back of bathroom medicine cabinets, but they served a purpose: razor blade disposal

medicine cabinet razor blade slot In those days, EVERY medicine cabinet had a razor disposal slot, which was needed—for example, Schick Inject blades came in a cartridge of 20